# SLIP OR FALL OF PERSON
> MSHA accident `220092020014` · 07/12/2009 · Keystone Cement Company 
## Details
- **Degree of injury:** DAYS RESTRICTED ACTIVITY ONLY
- **Classification:** SLIP OR FALL OF PERSON
- **Accident type:** Over-exertion NEC
- **Occupation:** Prep plant foreman, Supervisor, Mill plant supervisor, Kiln supervisor
- **Activity:** Walking, Running
- **Injury source:** FLOOR,WALKING SURF-NOT UG
- **Nature of injury:** SPRAIN,STRAIN RUPT DISC
- **Body part:** ANKLE
- **Days lost:** 0
- **Mine experience:** 1.23 years
## Operator
- **Controller:** Cementos Portland Valderrivas S A
- **Operator:** Keystone Cement Company 
- **Mine:** [3600125](https://api.ai-analytics.org/mine/3600125)
## Narrative

Employee was walking through Packhouse Warehouse to inspect a sump pump, he stepped in a cracked portion of concrete floor and twisted his right ankle. The broken concrete was 10 inches by 12 inches and 1 inch deep. Employee sustained sprained right ankle.

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*Source: [MSHA Open Government Data](https://arlweb.msha.gov/OpenGovernmentData/) · AI Analytics · CC0 1.0*